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| author | James Yang <James.Yang@freescale.com> | 2013-07-05 21:49:43 +0200 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2013-10-19 01:50:14 +0200 |
| commit | 682775b8de995d97956447730c04d2ff978d4e13 (patch) | |
| tree | 43b135a597ee4490b39208aeeaa1e1d6f4862518 /arch/powerpc | |
| parent | powerpc: export debug registers save function for KVM (diff) | |
| download | linux-682775b8de995d97956447730c04d2ff978d4e13.tar.xz linux-682775b8de995d97956447730c04d2ff978d4e13.zip | |
powerpc/booke: clear DBCR0_BT in user_disable_single_step()
BookE version of user_disable_single_step() clears DBCR0_IC for the
instruction completion debug, but did not also clear DBCR0_BT for the
branch taken exception. This behavior was lost by the 2/2010 patch.
Signed-off-by: James Yang <James.Yang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index aedfd41d354c..01be88b7321e 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -895,7 +895,7 @@ void user_disable_single_step(struct task_struct *task) * And, after doing so, if all debug flags are off, turn * off DBCR0(IDM) and MSR(DE) .... Torez */ - task->thread.debug.dbcr0 &= ~DBCR0_IC; + task->thread.debug.dbcr0 &= ~(DBCR0_IC|DBCR0_BT); /* * Test to see if any of the DBCR_ACTIVE_EVENTS bits are set. */ |